﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento sem título</title>
</head>
<body>
<?php
class conta{
	var $saldo = 0;
	
	function saldo(){
		return $this->saldo;
	}
	function credito($valor){
		$this->saldo+=$valor;
	}
	
}

$minhaconta=new conta;
$minhaconta->saldo();
$minhaconta->credito(100);
echo $minhaconta->saldo();


?>
</body>
</html>